Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The KVM subsystem in the Linux kernel before 3.6.9, when running on hosts that use qemu userspace without XSAVE, allows local users to cause a denial of service (kernel OOPS) by using the KVM_SET_SREGS ioctl to set the X86_CR4_OSXSAVE bit in the guest cr4 register, then calling the KVM_RUN ioctl.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Linux Kernel KVM 本地拒绝服务漏洞
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。KVM（Kernel-based Virtual Machine，基于内核的虚拟机）是用于其中的一种虚拟化基础设施。 Linux kernel 3.6.9之前版本中的KVM子系统中存在漏洞，该漏洞源于在主机运行期间，程序使用了无XSAVE的qemu用户空间。通过在访客cr4寄存器中使用KVM_SET_SREGS ioctl设置来设置X86_CR4_
CVSS Information
N/A
Vulnerability Type
N/A